4" NPT Female Pipe x 4.5" NST (NH) Male Hose Adapter FM25NYFD25F The polyester materials are 100%

The polyester materials are 100% immune to mold and never need drying

5” NH (NST) x 6” NH (NST) Double Swivel Female Fitting Anodized Aluminum

Our rack hoses are FM approved and labeled

Coupling Materials - Choose Anodized Aluminum or Brass

Color - Red /Yellow

4" NPT Female Pipe x 4.5" NST (NH) Male Hose Adapter FM25NYFD25F The polyester materials are 100%Change Threads From 4" NPT Pipe To 4. 5" Male NST (NH) Threads This adapter let's you hook your fire hose into standard pipe threads. It's one of the most popular and common way to change threads. Simply screw it on, and you're ready to go. Hook it into pumps, valves, hydrants, standpipes, & more. The NST (NH) Male side of adapter can hook into NST (NH) Female threads only. The NPT Female side of the adapter can hook into NPT Male only. Specifications